After more than three years of preparation and construction, the fantastic "Water Cube" is about to open!
What makes our Liaoning people proud is that the “Water Cube†acts as a “stylist†and the outer film is from the Yuanda Group in Shenyang. At the same time that the "Water Cube" was included in the history of world architecture, "Liaoning" also wrote a strong stroke.
Recently, the reporter interviewed Yu Lansong, the project manager of the “Water Cube†project. For this beautiful building, Yu Lansong has a lot of feelings. “I can participate in the building of the 'Water Cube'. This is our Liaoning. proud!"
The film cost is about 2,000 yuan per square meter.
Reporter: "Water Cube" is called "fantastic architecture" by the outside world. How is this beautiful effect formed?
Yu Lansong: The surface of the “Water Cube†is composed of “ETFE Membrane†air pillows, which are filled with gas to form “blisterâ€. There are more than 3,700 air pillows on the surface of the “Water Cubeâ€, which constitutes a world of water.
Reporter: How much does this air pillow cost?
Yu Lansong: “ETFE film†is a kind of decoration material from Germany, which has light weight and strong pressure resistance. The "ETFE film" used by the "Water Cube" is about 100,000 square meters, and the total price is close to 200 million, which is equivalent to a cost of 2,000 yuan per square meter.
Reporter: Is such a complicated membrane structure project encountering many difficulties in the construction process?
Yu Lansong: During the installation period, due to sufficient preparation, it did not encounter too many obstacles. However, there were some difficulties in transportation, mainly because the amount was very large. For example, a project requires more than 3,000 pieces, and a train can only Ship about 30, so you have to transport more than 100 cars.
Reporter: What preparations did you make before the installation?
Yu Lansong: Before the construction, we simulated a corner of the “Water Cube†steel structure, which was reduced by the equivalent. In this case, we invested 5 million yuan, and all the situations we encountered during construction were simulated on this model. After finishing the model, it felt less difficult to construct.
Membrane protective outer membrane was smashed by birds
Reporter: Since it is a film, it always gives people a feeling of not being strong. If it rains or snows, will the flat top of the Water Cube be crushed?
Yu Lansong: Before we did the membrane structure deformation test, as long as it is not the amount of snowfall that has not happened in a hundred years, the water cube has no problem.
Reporter: The "Water Cube" membrane structure is huge. Once the outer layer is dirty, how to clean it?
Yu Lansong: The membrane of “Water Cube†has a self-cleaning function, and the rain will be very clean. However, considering that the dust will be longer after a long time, we installed some pipes on the steel frame to facilitate manual cleaning.
Reporter: Although this "ETFE film" has the ability to withstand pressure, if someone scratches with a sharp object, is it easy to be destroyed?
Yu Lansong: Yes, in order to prevent this from happening, a circle of up to 2 meters was built around the “Water Cube†building, and a 6-meter-wide moat was drilled in the fence.
Reporter: I heard that during the construction of the "Water Cube", the outer membrane was once damaged by a small bird?
Yu Lansong: Yes, the bird was probably drinking dew at the time. However, the probability of such a thing is very small, because the water cube is a flat top, the food on it is easily blown away by the wind, and the dew is easily evaporated.
Reporter: Once the membrane is destroyed, how can it be remedied?
Yu Lansong: If the bad is a small hole, you can use a special tape to make up. But if the damage is too large, it will be reinstalled. Now, our team has finished the membrane structure project, and we will be responsible for the maintenance and maintenance work after the completion of the whole project.
Reporter: It seems that the water cube membrane needs to be carefully maintained to avoid the damage of sharp objects.
Yu Lansong: It is really difficult to look after some places. There are moats and fences outside, but there are some places where there is no way to isolate them. For example, in the bubble bar inside, the person and the film are very close, and the film is easily burnt by the person who smokes in the bar. Here, we can only remind everyone to take care of our "water cube".
Membrane Technology Foreign Experts Group Visited
Reporter: The appearance of the "Water Cube" is blue. Is there any scientific content?
Yu Lansong: The outermost layer of the membrane structure is blue, which is the result of many experiments. In terms of transparency, if the number of floors is too small, the sun will enter the venue and the audience will feel like a sauna. Therefore, the number of layers of membrane structures we use varies according to different locations. In addition, in the acoustic test, we installed sound-absorbing panels inside the venue to avoid reverberation, which is conducive to the athletes to concentrate on the game.
Reporter: I heard that during the construction of the “Water Cube†membrane structure, many foreign groups and technical experts came to visit?
Yu Lansong: Indeed, during our construction, there are four or five batches of Chinese and foreign experts and officials visiting China every day. This is mainly because we have a number of independent innovation technologies and become the world's latest and most experienced construction team.
Reporter: Can you talk specifically about the scientific and technological connotation of membrane structure?
Yu Lansong: For the membrane structure, the “Water Cube†technology is very high in content, can reflect ultraviolet light and sunlight, will control the indoor temperature, ensure that the internal heat is not lost, and also ensure that the outside heat will not be transmitted to the inside. Therefore, members of the Water Cube competition can see the blue sky in the sun, but they don't feel hot. Rainy days can see the rain, but no noise can be heard. The indoor cockroaches can also be absorbed by the “air pillowâ€. At the same time, due to the good transparency of the membrane structure, the lighting energy consumption will be saved by 50%, and the energy consumption for water heating will be completely eliminated... It is with the above results in mind that we are going to apply for the country in terms of the overall membrane structure. The Science Progress Award, in addition to the structural design, also has two preparations for the Science and Technology Progress Award.
Reporter: You and your colleagues spent three years building this “fantastic†water cube. What is your evaluation of the work now?
Yu Lansong: “Water Cube†is the most satisfactory work I am currently working on. Objectively speaking, Liaoning enterprises can participate in it, which is also the pride of our Liaoning.
Reporter: During the Olympics, will you go to the "Water Cube" to experience the atmosphere of the Olympic Games?
Yu Lansong: Going after two or three years, I have been filled with too much joy, hardship and sadness in these three years. I will wait until the mood calms down and then go there again, and then slowly enjoy my achievements.
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